1245265 has 16 divisors (see below), whose sum is σ = 1746432. Its totient is φ = 834624.

The previous prime is 1245227. The next prime is 1245281. The reversal of 1245265 is 5625421.

It is not a de Polignac number, because 1245265 - 2⁷ = 1245137 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1267 + ... + 2023.

It is an arithmetic number, because the mean of its divisors is an integer number (109152).

2^1245265 is an apocalyptic number.

It is an amenable number.

1245265 is a deficient number, since it is larger than the sum of its proper divisors (501167).

1245265 is an equidigital number, since it uses as much as digits as its factorization.

1245265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816.

The product of its digits is 2400, while the sum is 25.

The square root of 1245265 is about 1115.9144232422. The cubic root of 1245265 is about 107.5855457521.

The spelling of 1245265 in words is "one million, two hundred forty-five thousand, two hundred sixty-five".